"The 100th anniversary will have a celebration and this will be on the field. We want to have a Copa Centenario, it's on the FIFA calendar and the idea is for it to be played. Whether it will be in the United States? We have to wait for some things to happen, review some things," he said.

The tournament will be staged to celebrate CONMEBOL's 100th birthday.

The CONMEBOL showpiece had been in doubt because of its connections to the FIFA corruption and bribery scandal that rocked the sport months ago. A U.S. Department of Justice indictment included allegations that more than $100 million in bribes were used to secure the rights to the tournament meant to celebrate the South American governing body's 100th birthday.

Napout said in July that he was "very optimistic" about talking with CONCACAF leaders about staging the event in the U.S., however Wednesday's admission cast further doubt on the prospect of a stateside staging.

The 16-nation Centenario is scheduled June 3-26 and would include the 10 South American national teams and six invited teams from CONCACAF, including the U.S. and Mexico.